參數(shù)資料
型號(hào)： NCP1216P133G
廠商： ON SEMICONDUCTOR
元件分類(lèi)： 穩(wěn)壓器
英文描述： PWM Current-Mode Controller for High-Power Universal Off-line Supplies ; Package: PDIP (8 Minus Pin 7); No of Pins: 7; Container: Rail; Qty per Container: 1000
中文描述： 0.5 A SWITCHING CONTROLLER, 146 kHz SWITCHING FREQ-MAX, PDIP7
封裝： LEAD FREE, PLASTIC, DIP-8/7
文件頁(yè)數(shù)： 11/18頁(yè)
文件大?。?/td> 270K
代理商： NCP1216P133G
NCP1216, NCP1216A
http://onsemi.com
2
Universal Input
Fosc = 35kHz
HV
Vcc
Drv
GND
Adj
FB
CS
NCP1216
EMI
Filter
1
2
3
45
6
7
8
Rsense
Rcomp
+
*See Application Section
Figure 1. Typical Application Example
PIN FUNCTION DESCRIPTION
Pin No.
Pin Name
Function
Pin Description
1
Adj
Adjust the Skipping Peak Current
This pin lets you adjust the level at which the cycle skipping process
takes place. Shorting this pin to ground, permanently disables the skip
cycle feature.
2
FB
Sets the Peak Current Setpoint
By connecting an Optocoupler to this pin, the peak current setpoint is
adjusted accordingly to the output power demand.
3
CS
Current Sense Input
This pin senses the primary current and routes it to the internal com-
parator via an L.E.B. By inserting a resistor in series with the pin, you
control the amount of ramp compensation you need.
4
GND
IC Ground
5
Drv
Driving Pulses
The driver’s output to an external MOSFET.
6
VCC
Supplies the IC
This pin is connected to an external bulk capacitor of typically 22 mF.
7
NC
This unconnected pin ensures adequate creepage distance.
8
HV
Generates the VCC from the Line
Connected to the highvoltage rail, this pin injects a constant current
into the VCC bulk capacitor.
相關(guān)PDF資料
PDF描述
NCP1216P100G PWM Current-Mode Controller for High-Power Universal Off-line Supplies; Package: PDIP (8 Minus Pin 7); No of Pins: 7; Container: Rail; Qty per Container: 1000
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NCP1216D133R2G PWM Current-Mode Controller for High-Power Universal Off-line Supplies ; Package: SOIC-8 Narrow Body; No of Pins: 8; Container: Tape and Reel; Qty per Container: 2500
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